CVE编号
CVE-2020-35498利用情况
暂无补丁情况
官方补丁披露时间
2021-02-12漏洞描述
A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1908845 | |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://www.debian.org/security/2021/dsa-4852 | |
| https://www.openwall.com/lists/oss-security/2021/02/10/4 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.10.0 |
Up to (excluding) 2.10.7 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.11.0 |
Up to (excluding) 2.11.6 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.12.0 |
Up to (excluding) 2.12.3 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.13.0 |
Up to (excluding) 2.13.3 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.14.0 |
Up to (excluding) 2.14.2 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.5.0 |
Up to (excluding) 2.5.12 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.6.0 |
Up to (excluding) 2.6.10 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.7.0 |
Up to (excluding) 2.7.13 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.8.0 |
Up to (excluding) 2.8.11 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.9.0 |
Up to (excluding) 2.9.9 |
||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | openvswitch | * |
Up to (excluding) 2.12.3-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | openvswitch | * |
Up to (excluding) 2.12.3-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | openvswitch | * |
Up to (excluding) 2.12.3-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | openvswitch | * |
Up to (excluding) 2.12.3-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | openvswitch | * |
Up to (excluding) 2.10.7+ds1-0+deb10u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | openvswitch | * |
Up to (excluding) 2.15.0~git20210104.def6eb1ea+dfsg1-4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | openvswitch | * |
Up to (excluding) 2.6.10-0+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | openvswitch | * |
Up to (excluding) 20.03.1-lp152.3.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | openvswitch | * |
Up to (excluding) 2.5.9-0ubuntu0.16.04.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | openvswitch | * |
Up to (excluding) 2.9.8-0ubuntu0.18.04.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | openvswitch | * |
Up to (excluding) 2.13.1-0ubuntu0.20.04.4 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 无影响
- 全网数量 N/A
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